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Part Number
3E7857
DRIVE A
Category: | Fits: 325C, C7, 3126B
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Replaceable OEM Parts (Compatible Models)
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CAT 3E7857 DRIVE A for 325C Caterpillar Part - WSTPARTS

Need a dependable Drive Shaft part for your Caterpillar 325C, C7 and 3126B machine? The 3E7857 DRIVE A from WSTPARTS is manufactured to OEM-grade tolerances. It is categorized under Drive Shaft. Every unit is fitment-verified before dispatch, backed by factory-direct pricing and warranty coverage. Contact our parts team with your machine serial number for a fast quotation.

3E7857 DRIVE A for Caterpillar 325C — Genuine & OEM Replacement Part

WSTPARTS supplies genuine and high-quality OEM replacement DRIVE A (Part # 3E7857). Designed for CAT 325C, C7, 3126B equipment.

Compatible Models

Key Features

  • ✔ 100% compatible with CAT 325C, C7, 3126B
  • ✔ Meets Caterpillar original quality and performance standards
  • ✔ Genuine CAT parts with anti-counterfeit label | OEM alternatives with warranty
  • ✔ Available for order, contact for lead time

Specifications

Part Number (MPN)3E7857
Product NameDRIVE A
BrandCAT
Applicable Models325C, C7, 3126B
Weight1.13 kg
ConditionNew (Genuine / OEM Equivalent)
Warranty12 Months

FAQ

Is 3E7857 the right part for my machine?
Match the part number on your old part, or send us your equipment serial number — WSTPARTS verifies fitment free of charge for CAT 325C.

Genuine vs OEM replacement — what is the difference?
Genuine CAT parts carry an anti-counterfeit label. OEM equivalents are built to the same specifications, bench-tested and supplied with full warranty at a better price.

Stock, shipping and warranty?
Lead time confirmed on request; we quote the fastest available option. Every order is covered by a 12-month warranty.

📞 Get a Quote: Contact the WSTPARTS parts team | Email: cat@wstparts.com

Parts Diagram3126B

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3126B · ELECTRICAL AND STARTING SYSTEM · 106-8558 CAT parts diagram
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Sel 0
13E-7859SOLENOID AS-STARTER (24 VOLT)
25S-7349BOLT (1/4-20X0.5 IN)
36V-8188NUT (1/2-13 THD)In stock
44M-1828RETAINER-SPRING
57T-3269BOOT
67T-3270PLUNGER AS
79M-7609SPRING
84M-1827RETAINER-SPRING
94M-1831PLUG-LEVER HOUSING
107L-2894GASKET
117X-1952HOUSING AS-LEVER
123E-7858HOUSING AS-STARTER
133E-7857DRIVE AS-STARTING MOTOR
147X-3373BOLT (5/16-18X0.88 IN)
153F-0379SCREW-POLE SHOE
163E-7855ARMATURE AS-STARTER (24 VOLT)
177X-1950SHOE-POLE
183E-7852COIL-STARTING MOTOR
199X-4821PLATE AS SPACER RING
208T-4205WASHER-HARD (7.2X14.5X2MM THK)
218T-0328WASHER-HARD (5.5X10X1MM THK)
224B-2049NUT (10-32 THD)
238F-1434LOCKWASHER
242H-3429RING-RETAINING SCREW RETAINER LEVER AS
253E-7853TERMINAL-STARTING MOTOR SHAFT AS RING WASHER
267X-0562WASHER-HARD (13.5X19X0.8MM THK)
277T-3454INSULATOR
287T-3451INSULATOR-TERMINAL
298T-8569INSULATOR-TERMINAL
309X-4271CONNECTOR SEAL-O-RING SCREW SCREW AS BRUSH SPRING BUSHING BUSHING PLUG CUP WASHER NUT SEAL
Quality Guarantee
Warranty Period 12 months / under normal use
After-sales Response Response within 24h, solution within 48h
Return Policy Return or exchange within 7 days of receipt (original packaging required)
Quality Inspection 100% inspected before shipment; inspection report on request
Technical Support Free installation guidance; engineer support online
📦 Packaging
Packing Method Genuine or neutral packaging available
Protective Packing Shock-proof & moisture-proof materials
Part Number Label Individual part number label
Customization Custom carton marking supported
After-Sales Service Process
01
Contact Us
Describe issue / send photos
02
Engineer Review
Solution within 24h
03
Confirm Solution
Return, repair or replacement
04
Case Closed
Send-back / re-ship / refund
Apply for After-Sales Service
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✉️Emailcat@wstparts.com
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